Uses a floating action button for adding new contact

Change-Id: I47cc26e857f7b3da8537bc52c8cb08b969af44b7
diff --git a/res/layout/people_activity.xml b/res/layout/people_activity.xml
index 589e4a9..bcdf08f 100644
--- a/res/layout/people_activity.xml
+++ b/res/layout/people_activity.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/list_container"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -42,4 +42,22 @@
             android:layout_height="match_parent"
             android:layout_width="match_parent" />
     </FrameLayout>
-</FrameLayout>
+
+    <FrameLayout
+        android:id="@+id/floating_action_button_container"
+        android:layout_width="@dimen/floating_action_button_width"
+        android:layout_height="@dimen/floating_action_button_height"
+        android:layout_marginRight="@dimen/floating_action_button_margin_right"
+        android:layout_marginBottom="@dimen/floating_action_button_margin_bottom"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentBottom="true">
+
+        <ImageButton
+            android:id="@+id/floating_action_button"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:background="@drawable/floating_action_button"
+            android:contentDescription="@string/action_menu_add_new_contact_button"
+            android:src="@drawable/ic_person_add_24dp"/>
+    </FrameLayout>
+</RelativeLayout>